<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    * {
        margin: 0;
        padding: 0;
    }
    body {
        background-color: #f6f6f6;
        font-size: 15px;
        display: flex;
        justify-content: space-evenly;
        align-items: center;
        height: 100vh;
    }
    .card {
        width: 320px;
        background-color: #fff;
        border-radius: 6px;
        overflow: hidden;
        box-shadow: 0 4px 6px rgba(0, 0, 0, .12);
    }
    .image {
        height: 200px;
    }
    .content {
        padding: 2rem 1.8rem;
    }

    h4 {
        margin: 0 0 1rem;
        font-size: 1.5rem;
        line-height: 1.5rem;
    }
    .description {
        font-size: 1rem;
        line-height: 1.4rem
    }
    :root {
        --loading-grey: #ededed;
    }


    .loading .image,
    .loading h4,
    .loading .description {
        /* background-color: var(--loading-grey); */
        background: linear-gradient(100deg,
            rgba(255,255,255,0) 40%,
            rgba(255,255,255,.5) 50%,
            rgba(255,255,255,0) 60%
        ) var(--loading-grey);
        background-size: 200% 100%;
        background-position-x: 180%;
        animation: loading 1s ease-in-out infinite;
    }

    @keyframes loading {
        to {
            background-position-x: -20%;
        }
        
    }

    .loading h4 {
        min-height: 1.6rem;
        border-radius: 4px;
        animation-delay: .5s;
    }

    .loading .description {
        min-height: 4rem;
        border-radius: 4px;
        animation-delay: .6s;
    }
</style>
<body>
    <div class="card loading">
        <div class="image">
        </div>
        <div class="content">
            <h4></h4>
            <h4></h4>
            <h4></h4>
            <h4></h4>
            <div class="description">
            </div>
        </div>
    </div>
</body>
</html>